package com.devcon5.StudentPlanner;

import android.app.Activity;

import android.os.Bundle;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;

import android.telephony.SmsManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;



public class ViewMessages extends Activity{
	 
	//view & widget variables
	Button btnSendEMAIL, btnSendSMS, btnSend;
    EditText txtPhoneNo;
    EditText txtMessage;
    EditText address, subject, emailtext;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.sms);        
 
        //set widgets to variables       
        btnSendSMS = (Button) findViewById(R.id.btnSendSMS);
        btnSendEMAIL = (Button) findViewById(R.id.btnSendEMAIL);
        txtPhoneNo = (EditText) findViewById(R.id.txtPhoneNo);
        txtMessage = (EditText) findViewById(R.id.txtMessage);
 
        address=(EditText) findViewById(R.id.emailaddress);
        subject=(EditText) findViewById(R.id.emailsubject);
        emailtext=(EditText) findViewById(R.id.emailtext);
        
        btnSendSMS.setOnClickListener(new View.OnClickListener() 
        {
            public void onClick(View v) 
            {                
                String phoneNo = txtPhoneNo.getText().toString();
                String message = txtMessage.getText().toString();                 
                if (phoneNo.length()>0 && message.length()>0)                
                    sendSMS(phoneNo, message);  	//Send an SMS when there's a phone number & message              
                else
                    Toast.makeText(getBaseContext(), 
                        "Please enter both phone number and message.", 
                        Toast.LENGTH_SHORT).show();
                
                
                //---clears the EditText---
                txtPhoneNo.setText("");
                txtMessage.setText("");
            }
        });
        
    
        btnSend = (Button) findViewById(R.id.emailsendbutton);
        
        btnSendEMAIL.setOnClickListener(new View.OnClickListener() //switch to send an e-mail mode
        {
        	Button send, back;
            EditText address, subjects, emailtext;
            
            public void onClick(View v) 
            {     
            	                	
            	
            	setContentView(R.layout.smss); //send e-mail layout
            	
            	send=(Button) findViewById(R.id.emailsendbutton);
                address=(EditText) findViewById(R.id.emailaddress);
                subjects=(EditText) findViewById(R.id.emailsubject);
                emailtext=(EditText) findViewById(R.id.emailtext);
               
                send.setOnClickListener(new OnClickListener() {
                               
                                public void onClick(View v) {
                                        //sends entered information to populate an e-mail
                                         
                                              final Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND);
                                       
                                              emailIntent.setType("plain/text");
                                         
                                              emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, new String[]{ address.getText().toString()});
                                       
                                              emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, subjects.getText());
                                       
                                              emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, emailtext.getText());
                               
                                              ViewMessages.this.startActivity(Intent.createChooser(emailIntent, "Send mail..."));
         
                                              
                                            //---clears the EditText---
                                              address.setText("");
                                              subjects.setText("");
                                              emailtext.setText("");
                                }
                        });
                
                back=(Button) findViewById(R.id.returnbutton);
                
                back.setOnClickListener(new OnClickListener() {
                    
                    public void onClick(View v) {
                            // TODO Auto-generated method stub
                    	    
                    	setContentView(R.layout.sms);
                                  
                    }
            });
            	
            	
            }
            
        });       
      
    }

    private void sendSMS(String phoneNumber, String message)
    {        //Pending Intents for confirming (un) successful arrival of sms
        String SENT = "SMS_SENT";
        String DELIVERED = "SMS_DELIVERED";
 
        PendingIntent sentPI = PendingIntent.getBroadcast(this, 0,
            new Intent(SENT), 0);
 
        PendingIntent deliveredPI = PendingIntent.getBroadcast(this, 0,
            new Intent(DELIVERED), 0);
 
        //---when the SMS has been sent---
        registerReceiver(new BroadcastReceiver(){
            @Override
            public void onReceive(Context arg0, Intent arg1) {
                switch (getResultCode())
                {
                    case Activity.RESULT_OK:
                        Toast.makeText(getBaseContext(), "SMS sent", 
                                Toast.LENGTH_SHORT).show();
                        break;
                    case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
                        Toast.makeText(getBaseContext(), "Generic failure", 
                                Toast.LENGTH_SHORT).show();
                        break;
                    case SmsManager.RESULT_ERROR_NO_SERVICE:
                        Toast.makeText(getBaseContext(), "No service", 
                                Toast.LENGTH_SHORT).show();
                        break;
                    case SmsManager.RESULT_ERROR_NULL_PDU:
                        Toast.makeText(getBaseContext(), "Null PDU", 
                                Toast.LENGTH_SHORT).show();
                        break;
                    case SmsManager.RESULT_ERROR_RADIO_OFF:
                        Toast.makeText(getBaseContext(), "Radio off", 
                                Toast.LENGTH_SHORT).show();
                        break;
                }
            }
        }, new IntentFilter(SENT));
 
        //---when the SMS has been delivered---
        registerReceiver(new BroadcastReceiver(){
            @Override
            public void onReceive(Context arg0, Intent arg1) {
                switch (getResultCode())
                {
                    case Activity.RESULT_OK:
                        Toast.makeText(getBaseContext(), "SMS delivered", 
                                Toast.LENGTH_SHORT).show();
                        break;
                    case Activity.RESULT_CANCELED:
                        Toast.makeText(getBaseContext(), "SMS not delivered", 
                                Toast.LENGTH_SHORT).show();
                        break;                        
                }
            }
        }, new IntentFilter(DELIVERED));        
 
        SmsManager sms = SmsManager.getDefault();
        sms.sendTextMessage(phoneNumber, null, message, sentPI, deliveredPI);        
    }
    
        }